package com.bookmarket.controller;

import com.alipay.config.*;
import com.alipay.api.*;
import com.alipay.api.request.*;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

@RestController
@RequestMapping("/alipay")
public class LQAlipayController {

    /**
     * 商户订单号 WIDout_trade_no，商户网站订单系统中唯一订单号，必填
     * 付款金额 WIDtotal_amount，必填
     * 订单名称 WIDsubject，必填
     * 商品描述 WIDbody，可空
     */
    @RequestMapping("/pay")
    public String pay(String WIDout_trade_no,String WIDtotal_amount,String WIDsubject,String WIDbody) throws Exception{
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);


        String out_trade_no = new String(WIDout_trade_no.getBytes("ISO-8859-1"),"UTF-8");

        String total_amount = new String(WIDtotal_amount.getBytes("ISO-8859-1"),"UTF-8");

        String subject = new String(WIDsubject.getBytes("ISO-8859-1"),"UTF-8");

        String body = new String(WIDbody.getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");


        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        //输出
//        out.println(result);
        return result;
    }
}
